package com.kaifamiao.demo.d0720;

public class Demo07 {

    public static void main(String[] args) {
        int[][] arr = new int[3][4];

        for(int f = 0; f < arr.length; f ++){
            for(int i = 0; i < arr[f].length; i ++){
                arr[f][i] = i;
            }
        }


        for(int f = 0; f < arr.length; f ++){
            for(int i = 0; i < arr[f].length; i ++){
                System.out.print(arr[f][i] + "\t");
            }
            System.out.println();
        }




    }
}
